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https://www.readbyqxmd.com/read/28822244/new-insights-into-the-enhanced-performance-of-high-solid-anaerobic-digestion-with-dewatered-sludge-by-thermal-hydrolysis-organic-matter-degradation-and-methanogenic-pathways
#1
Sisi Chen, Ning Li, Bin Dong, Wentao Zhao, Lingling Dai, Xiaohu Dai
Two lab-scale high solid anaerobic digesters fed with untreated sludge (R1) and thermally hydrolyzed sludge (R2) were operated to investigate the influence of thermal hydrolysis pretreatment (THP) on the degradation of individual macromolecular organic components (MOCs), as well as the functional and metabolic responses of microbes during anaerobic digestion (AD). The degradation of MOCs was improved by THP at different rates, in which improved degradation of proteins (by 49.0%) and hemicelluloses (by 25.0%) were the main factors contributing to the increase in volatile solids (VS) reduction...
August 8, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28816912/distance-learning-adhd-quality-improvement-in-primary-care-a-cluster-randomized-trial
#2
Alexander G Fiks, Stephanie L Mayne, Jeremy J Michel, Jeffrey Miller, Manju Abraham, Andrew Suh, Abbas F Jawad, James P Guevara, Robert W Grundmeier, Nathan J Blum, Thomas J Power
OBJECTIVE: To evaluate a distance-learning, quality improvement intervention to improve pediatric primary care provider use of attention-deficit/hyperactivity disorder (ADHD) rating scales. METHODS: Primary care practices were cluster randomized to a 3-part distance-learning, quality improvement intervention (web-based education, collaborative consultation with ADHD experts, and performance feedback reports/calls), qualifying for Maintenance of Certification (MOC) Part IV credit, or wait-list control...
August 9, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28806791/effect-of-access-to-an-electronic-medical-resource-on-performance-characteristics-of-a-certification-examination-a-randomized-controlled-trial
#3
Rebecca S Lipner, Bradley G Brossman, Kelli M Samonte, Steven J Durning
Background: Electronic resources are increasingly used in medical practice. Their use during high-stakes certification examinations has been advocated by many experts, but whether doing so would affect the capacity to differentiate between high and low abilities is unknown. Objective: To determine the effect of electronic resources on examination performance characteristics. Design: Randomized controlled trial. Setting: Medical certification program...
August 15, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28803237/atf3-dependent-regulation-of-egr1-in-vitro-and-in-vivo
#4
Ilona Schoen, Sabine Koitzsch
BACKGROUND/AIMS: Activating transcription factor 3 (ATF3) and early growth response protein 1 (EGR1) are reported to interact, but their use as prognostic factors in cancer is discussed controversially. METHODS: We measured ATF3 and EGR1 gene expression changes in human mini-organ cultures (MOCs) of healthy nasal epithelia, UM-SCC-22B, and FADUDD cells after acid reflux exposure. Next, ATF3 and EGR1 gene expression was analysed in tumour tissues and related to the median expression of autologous reference tissue samples...
August 12, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28724229/microbial-association-with-the-dynamics-of-particulate-organic-carbon-in-response-to-the-amendment-of-elevated-co2-derived-wheat-residue-into-a-mollisol
#5
Yanhong Wang, Zhenhua Yu, Yansheng Li, Guanghua Wang, Junjie Liu, Judong Liu, Xiaobing Liu, Jian Jin
As the chemical quality of crop residue is likely to be affected by elevated CO2 (eCO2), residue amendments may influence soil organic carbon (SOC) sequestration. However, in Mollisols, the dynamics of the SOC fractions in response to amendment with wheat residue produced under eCO2 and the corresponding microbial community composition remain unknown. Such investigation is essential to residue management, which affects the soil quality and productivity of future farming systems. To narrow this knowledge gap, (13)C-labeled shoot and root residue derived from ambient CO2 (aCO2) or eCO2 were amended into Mollisols and incubated for 200days...
July 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28707563/studies-on-removal-of-phenol-sulfonic-acid-syntan-in-aqueous-medium-using-ozonation
#6
Rema Thankappan, S V Srinivasan, R Suthanthararajan, Mika Sillanpää
The removal of phenol sulfonic acid-syntan (PSAS) in terms of chemical oxygen demand (COD) was studied at different pH, ozone and initial PSAS concentrations and the optimum condition was found to be pH 7, ozone concentration of 5.2 × 10(-3 )mmol/L and initial PSAS concentration of 500 mg/L. The increase in BOD5/COD ratio confirmed the bio-treatability of ozonated PSAS effluent. The excitation-emission matrix intensity and Fourier transmission infra-red spectroscopy confirmed the generation of intermediate by-product during degradation of PSAS...
July 27, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28686234/opposing-maintenance-of-certification-moc-and-the-interstate-medical-licensure-compact
#7
David Kahn
No abstract text is available yet for this article.
July 5, 2017: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/28679511/traumatic-myositis-ossificans-circumscripta-moc
#8
Manel Landolsi, Tej Mrad
We report a case of a 29-year-old man who had been a victim of a public road accident. Four weeks later, the patient developed an isolated right thigh mass located ventrally in the distal one-third of the thigh. The mass was painful and associated with fever and inflammatory syndrome. Plain radiographs showed a bilateral calcified thickening of soft tissues with well-defined bony margins. Ultrasound objectified diffuse calcifications of soft tissues.CT scan-confirmed the diagnosis of myositis ossificans circumscripta, showing a bilateral thickening of the vastus intermedius chief of the quadriceps dotted with calcifications, extending along the femur axis...
July 5, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28658717/bone-marrow-on-a-chip-long-term-culture-of-human-hematopoietic-stem-cells-in-a-3d-microfluidic-environment
#9
Stefan Sieber, Lorenz Wirth, Nino Cavak, Marielle Koenigsmark, Uwe Marx, Roland Lauster, Mark Rosowski
Multipotent hematopoietic stem and progenitor cells (HSPCs) are the source for all blood cell types. The bone marrow stem cell niche in which the HSPCs are maintained is known to be vital for their maintenance. Unfortunately, to this date no in vitro model exists that truthfully mimics the aspects of the bone marrow niche and simultaneously allows the long-term culture of HSPCs. In this study, we present a novel 3D co-culture model, based on a hydroxyapatite coated zirconium oxide scaffold, comprising of human mesenchymal stromal cells (MSCs) and cord blood derived HSPCs, enabling successful HSPC culture for a time span of 28 days within the microfluidic Multi-Organ-Chip (MOC)...
June 28, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28654613/evidence-based-medicine-current-evidence-in-the-diagnosis-and-management-of-carpal-tunnel-syndrome
#10
Steven J Hermiz, Loree K Kalliainen
LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Create a safe and effective plan for management of carpal tunnel syndrome. 2. Support his or her rationale for the use of diagnostic tests. 3. Discuss elements of management that have been controversial, including anesthesia, the use of a tourniquet, postoperative pain control, and cost of care. SUMMARY: This is the fourth MOC-PS CME article on carpal tunnel syndrome. Each of the prior three has had a slightly different focus, and the reader is invited to review all to generate a comprehensive view of the management of this common, and often controversial, topic...
July 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28642679/assessment-of-ipsilateral-efferent-effects-in-human-via-ecochg
#11
Eric Verschooten, Elizabeth A Strickland, Nicolas Verhaert, Philip X Joris
Development of electrophysiological means to assess the medial olivocochlear (MOC) system in humans is important to further our understanding of the function of that system and for the refinement and validation of psychoacoustical and otoacoustic emission methods which are thought to probe the MOC. Based on measurements in anesthetized animals it has been hypothesized that the MOC-reflex (MOCR) can enhance the response to signals in noise, and several lines of evidence support such a role in humans. A difficulty in these studies is the isolation of efferent effects...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28642235/atomic-layered-au-clusters-on-%C3%AE-moc-as-catalysts-for-the-low-temperature-water-gas-shift-reaction
#12
Siyu Yao, Xiao Zhang, Wu Zhou, Rui Gao, Wenqian Xu, Yifan Ye, Lili Lin, Xiaodong Wen, Ping Liu, Bingbing Chen, Ethan Crumlin, Jinghua Guo, Zhijun Zuo, Weizhen Li, Jinglin Xie, Li Lu, Christopher J Kiely, Lin Gu, Chuan Shi, José A Rodriguez, Ding Ma
The water-gas shift (WGS) reaction (CO+H2O=H2+CO2) is an essential process for hydrogen generation and CO removal in various energy-related chemical operations. This equilibrium-limited reaction is favored at a low working temperature. Potential application in fuel cells also requires a WGS catalyst to be highly active, stable and energy-efficient and match the working temperature of on-site hydrogen generation and consumption units. We synthesized Au layered clusters on an α-MoC substrate to create an interfacial catalyst system for the ultra-low-temperature WGS reaction...
June 22, 2017: Science
https://www.readbyqxmd.com/read/28639022/citrus-stand-ages-regulate-the-fraction-alteration-of-soil-organic-carbon-under-a-citrus-stropharua-rugodo-annulata-intercropping-system-in-the-three-gorges-reservoir-area-china
#13
Yang Zhang, Jiupai Ni, John Yang, Tong Zhang, Deti Xie
Soil carbon fractionation is a valuable indicator in assessing stabilization of soil organic matter and soil quality. However, limited studies have addressed how different vegetation stand ages under intercropping agroforestry systems, could affect organic carbon (OC) accumulation in bulk soil and its physical fractions. A field study thus investigated the impact of citrus plantation age (15-, 25-, and 45-year citrus) on the bulk soil organic carbon (SOC) and SOC fractions and yields of Stropharia rugoso-annulata (SRA) in the Three Gorges Reservoir area, Chongqing, China...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28616958/interconnected-molybdenum-carbide-based-nanoribbons-for-highly-efficient-and-ultrastable-hydrogen-evolution
#14
Zhihua Cheng, Jian Gao, Qiang Fu, Changxia Li, Xiaopeng Wang, Yukun Xiao, Yang Zhao, Zhipan Zhang, Liangti Qu
Electrocatalytic hydrogen evolution reaction (HER) is of great significance to produce clean, sustainable, and cost-effective hydrogen. However, the development of low-cost and high-efficiency non-noble-metal catalysts with a combination of superior catalytic activity and long-time stability still remains a challenge. Herein, we demonstrate a rationally designed three-dimensional architecture assembled from one-dimensional molybdenum carbide (MoC)-based nanoribbons where the MoC nanoparticles are embedded within the nitrogen-doped crystallized carbon nanolayers (MoC@NC nanoribbon)...
July 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28609535/comparison-of-content-on-the-american-board-of-internal-medicine-maintenance-of-certification-examination-with-conditions-seen-in-practice-by-general-internists
#15
COMPARATIVE STUDY
Bradley Gray, Jonathan Vandergrift, Rebecca S Lipner, Marianne M Green
Importance: Success on the internal medicine (IM) examination is a central requirement of the American Board of Internal Medicine's (ABIM's) Maintenance of Certification program (MOC). Therefore, it is important to understand the degree to which this examination reflects conditions seen in practice, one dimension of content validity, which focuses on the match between content in the discipline and the topics on the examination questions. Objective: To assess whether the frequency of questions on IM-MOC examinations were concordant with the frequency of conditions seen in practice...
June 13, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28604594/hemi-synthesis-and-anti-oomycete-activity-of-analogues-of-isocordoin
#16
Beatriz Escobar, Iván Montenegro, Joan Villena, Enrique Werner, Patricio Godoy, Yusser Olguín, Alejandro Madrid
An efficient synthesis of a series of 4'-oxyalkyl-isocordoin analogues (2-8) is reported for the first time. Their structures were confirmed by ¹H-NMR, (13)C-NMR, and HRMS. Their anti-oomycete activity was evaluated by mycelium and spores inhibition assay against two selected pathogenic oomycetes strains: Saprolegnia parasitica and Saprolegnia australis. The entire series of isocordoin derivatives (except compound 7) showed high inhibitory activity against these oomycete strains. Among them, compound 2 exhibited strong activity, with minimum inhibitory concentration (MIC) and minimum oomyceticidal concentration (MOC) values of 50 µg/mL and 75 µg/mL, respectively...
June 10, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28600147/chemoresistance-and-chemosensitization-in-cholangiocarcinoma
#17
REVIEW
Jose J G Marin, Elisa Lozano, Elisa Herraez, Maitane Asensio, Silvia Di Giacomo, Marta R Romero, Oscar Briz, Maria A Serrano, Thomas Efferth, Rocio I R Macias
One of the main difficulties in the management of patients with advanced cholangiocarcinoma (CCA) is their poor response to available chemotherapy. This is the result of powerful mechanisms of chemoresistance (MOC) of quite diverse nature that usually act synergistically. The problem is often worsened by altered MOC gene expression in response to pharmacological treatment. Since CCA includes a heterogeneous group of cancers their genetic signature coding for MOC genes is also diverse; however, several shared traits have been defined...
June 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28592687/efferent-inhibition-strength-is-a-physiological-correlate-of-hyperacusis-in-children-with-autism-spectrum-disorder
#18
Uzma S Wilson, Kate M Sadler, Kenneth E Hancock, John J Guinan, Jeffery T Lichtenhan
Autism spectrum disorder (ASD) is a developmental disability that is poorly understood. ASD can influence communication, social interaction, and behavior. Children with ASD often have sensory hypersensitivities, including auditory hypersensitivity (hyperacusis). In adults with hyperacusis who are otherwise neurotypical, the medial olivocochlear (MOC) efferent reflex is stronger than usual. In children with ASD, the MOC reflex has been measured, but without also assessing hyperacusis. We assessed the MOC reflex in children with ASD by measuring the strength of MOC-induced inhibition of transient-evoked otoacoustic emissions (TEOAEs), a noninvasive physiological measure that reflects cochlear amplification...
August 1, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28572294/from-the-abnm-making-moc-simpler
#19
George Segall
No abstract text is available yet for this article.
June 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28562013/dodecahedral-w-wc-composite-as-efficient-catalyst-for-hydrogen-evolution-and-nitrobenzene-reduction-reactions
#20
Zhao-Yang Chen, Long-Fa Duan, Tian Sheng, Xiao Lin, Ya-Feng Chen, You-Qun Chu, Shi-Gang Sun, Wen-Feng Lin
Core-shell composites with strong phase-phase contact could provide an incentive for catalytic activity. A simple, yet efficient, H2O-mediated method has been developed to synthesize a mesoscopic core-shell W@WC architecture with a dodecahedral microstructure, via a one-pot reaction. The H2O plays an important role in the resistance of carbon diffusion, resulting in the formation of the W core and W-terminated WC shell. Density functional theory (DFT) calculations reveal that adding W as core reduced the oxygen adsorption energy and provided the W-terminated WC surface...
June 21, 2017: ACS Applied Materials & Interfaces
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